Manufacturing method for magnetic recording medium, and...

Details Manufacturing method for magnetic recording medium, and... Manufacturing method for magnetic recording medium, and...

2005-07-05

2005-07-05

Hudspeth, David (Department: 2651)

Dynamic magnetic information storage or retrieval

Record copying

Contact transfer

C428S690000, C428S690000, C428S065100

Reexamination Certificate

active

06914735

ABSTRACT:
In a manufacturing method for a magnetic recording medium, when the length of a ferromagnetic thin film on a master information carrier corresponding to the length between a pair of magnetization transition regions adjacent to each other is A in magnetization information recorded onto a magnetic recording medium, the film thickness of the ferromagnetic thin film is t and A/t is k, k is set from not less than 0.8 to not more than 8.

REFERENCES:
patent: 10-40544 (1998-02-01), None
patent: 10040544 (1998-02-01), None
patent: 10269566 (1998-10-01), None

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